package net.itbrother.controller.home;

import java.awt.image.BufferedImage;

import javax.imageio.ImageIO;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.servlet.ModelAndView;

import com.google.code.kaptcha.Constants;
import com.google.code.kaptcha.Producer;

/**
 * Title. ��֤�� <br>
 * Description.
 * <p>
 * Copyright: Copyright (c) 2016��2��19�� ����2:38:41
 * <p>
 * Company: 
 * <p>
 * Author: Martin
 * <p>
 * Version: 1.0
 * <p>
 */
@Controller
@RequestMapping("/kaptcha")
public class CaptchaAction {
     
    @Autowired
    private Producer captchaProducer;
 
    @RequestMapping("/img")
    public ModelAndView getKaptchaImage(HttpServletRequest request, HttpServletResponse response) throws Exception {
        HttpSession session = request.getSession();
        //String code = (String)session.getAttribute(Constants.KAPTCHA_SESSION_KEY);
         
        response.setDateHeader("Expires", 0);
        response.setHeader("Cache-Control", "no-store, no-cache, must-revalidate");
        response.addHeader("Cache-Control", "post-check=0, pre-check=0");
        response.setHeader("Pragma", "no-cache");
        response.setContentType("image/jpeg");
        String capText = captchaProducer.createText();
        session.setAttribute(Constants.KAPTCHA_SESSION_KEY, capText);
        System.out.println("******************��֤��11��: " + capText + "******************");
         
        BufferedImage bi = captchaProducer.createImage(capText);
        ServletOutputStream out = response.getOutputStream();
        ImageIO.write(bi, "jpg", out);
        try {
            out.flush();
        } finally {
            out.close();
        }
        return null;
    }
    
    @RequestMapping("/checkmCode")
    @ResponseBody
    public String checkCode(HttpServletRequest request,String mcode){
        
    	
        return "";
    }
 
}